Answer:
D
Explanation:
Sexual reprduction is when a sperm cell fertilzes an egg cell.
it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
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Answer:
phylogenetic
Explanation:
The phylogenetic tree shows the relationship of evolution between organisms.
Answer:
C
Explanation:
A scientist who studies objects in the sky, including planets, galaxies, blackholes, and stars
